I\'m having some problems creating a tree menu using Rails 3.1 and Mongoid. I have a site model that embeds_many pages. Pages can have a parent page using a field called parent.
i\'m new to the nosql world, and from forums and articles that i\'ve read: most of users try to \"mix\" nosql tools, for example, they use Cassandra and MongoDB together to make a \"powerful system\",
Disclaimer: by referential Data, i do not mean referential integrity I am learning nosql and would like to understand how data should be modeled.In a typical relational database for an CMS applicatio
I was thinking in a schema for a problem where \"people\" got a country, in RDBMS i can make two tables, one for people and other for country and make a key to connect the two... if i want to change t
If I were to create a basic personal accounting system (because I\'m like that - it\'s a hobby project about a domain I\'m familiar enough with to avoid getting bogged-down in requirements), would a N
In Node.js, would it be bes开发者_如何学Pythont to do a createClient() for each individual HTTP request or user, or would it be better to re-use the same client for all requests? Do you still get the
There\'s a 开发者_开发知识库large set of entities of different kinds: interface Entity { } interface Entity1 extends Entity {
Any library to support CURD Get a list, skip, limit Filter by field Or should开发者_开发技巧 we use this as NoSql database?I\'d use it as a NoSQL database personally, but I\'m sure you could modi
How will i get systemtimestamp from cassandra-cli like select sysdate from dual; i开发者_Go百科n oracle.
Assuming live chat clients (Skype, Windows Live Messenger) use sockets to stay connected to their relative services, what are some strategies that the developers implement to scale out their servers?
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